subject: How to Purchase a Spirometer [print this page] How to Purchase a Spirometer How to Purchase a Spirometer
1. This stand-alone unit is designed to measure the rate and volume of airflow to and from the lungs during various phases of the respiratory cycle.
2. Spirometers should accept patient data, measure patient ventilatory efforts, and present diagnostic information. A hard copy must also be provided.
3. Manufacturers should clearly specify what parameters are evaluated by the system, and whether it is volume or flow sensing. They should also indicate the computer interfacing capabilities, if there are any, and the required software.
4. The purchase price should include all necessary software.
5. The sampling frequency, the number of parameters calculated, the reference values, and the format for reported results determine the hardware and software to be used.
6. Manufacturers should also inform buyers on future software improvements and/or add-on components that increase versatility, as well as the associated cost.
7. A user manual should describe the appropriate reprocessing or sterilization methods for reusable parts that come in contact with patients. This will help in preventing cross-contamination.
8. All controls should be easy to identify with clear functions and a design that prevents misinterpretation of displays and control settings. They should be protected against accidental setting changes, and sealed against penetration of fluids.
9. Fluid spills should not affect patient and operator safety and system performance. If the unit is affected, it should fail safely.
10. There is an additional cost for training in outreach programs. These programs allow transmission of pyrometer data to regional overread centers where pulmonary specialists offer second-opinion consultations.
11. Software improvements or add-on components that increase versatility can upgrade some units.
12. Users may wish to purchase a calibration syringe. A three-liter syringe will usually suffice.
13. Users are encouraged to check the unit's ability to accurately measure volume of up to and including three liters, at least daily.
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